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HD404326H View Datasheet(PDF) - Hitachi -> Renesas Electronics
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HD404326H
4-Bit Microcontroller
Hitachi -> Renesas Electronics
HD404326H Datasheet PDF : 94 Pages
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HD404328 Series
$000, 0
IE
$000, 2
INT
0
interrupt IF0
$000, 3
IM0
$001, 0
INT
1
interrupt IF1
$001, 1
IM1
$001, 2
Timer A interrupt IFTA
$001, 3
IMTA
$002, 0
Timer B interrupt IFTB
$002, 1
IMTB
$002, 2
Timer C interrupt IFTC
$002, 3
IMTC
$003, 0
ZCD interrupt IFZC
$003, 1
IMZC
$003, 2
A/D interrupt IFAD
$003, 3
IMAD
Sequence control
• Push PC/CA/ST
• Reset IE
• Jump to vector address
Priority control logic
Vector
address
Note: $m, n is RAM address $m,
bit number n.
$023, 2
IFS Serial interrupt
$023, 3
IMS
Figure 6 Block Diagram of Interrupt Control Circuit
18
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